java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/programs/20181010-MemSafetyPathprograms/ArraysOfVariableLength2_true-valid-memsafety.c_8.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 10:59:00,857 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 10:59:00,860 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 10:59:00,873 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 10:59:00,874 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 10:59:00,875 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 10:59:00,876 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 10:59:00,878 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 10:59:00,880 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 10:59:00,881 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 10:59:00,883 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 10:59:00,883 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 10:59:00,883 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 10:59:00,885 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 10:59:00,886 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 10:59:00,887 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 10:59:00,888 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 10:59:00,889 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 10:59:00,892 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 10:59:00,894 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 10:59:00,896 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 10:59:00,897 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 10:59:00,899 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 10:59:00,900 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 10:59:00,902 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 10:59:00,903 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 10:59:00,903 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 10:59:00,905 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 10:59:00,906 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 10:59:00,908 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 10:59:00,909 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 10:59:00,912 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 10:59:00,913 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 10:59:00,914 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 10:59:00,916 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 10:59:00,916 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 10:59:00,918 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 10:59:00,918 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 10:59:00,918 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 10:59:00,919 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 10:59:00,920 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 10:59:00,969 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 10:59:00,981 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 10:59:00,985 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 10:59:00,987 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 10:59:00,987 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 10:59:00,988 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/ArraysOfVariableLength2_true-valid-memsafety.c_8.bpl [2019-08-05 10:59:00,989 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/ArraysOfVariableLength2_true-valid-memsafety.c_8.bpl' [2019-08-05 10:59:01,065 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 10:59:01,067 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 10:59:01,068 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 10:59:01,068 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 10:59:01,070 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 10:59:01,089 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "ArraysOfVariableLength2_true-valid-memsafety.c_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:59:01" (1/1) ... [2019-08-05 10:59:01,104 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "ArraysOfVariableLength2_true-valid-memsafety.c_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:59:01" (1/1) ... [2019-08-05 10:59:01,115 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 10:59:01,116 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 10:59:01,116 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 10:59:01,116 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 10:59:01,127 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ArraysOfVariableLength2_true-valid-memsafety.c_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:59:01" (1/1) ... [2019-08-05 10:59:01,128 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ArraysOfVariableLength2_true-valid-memsafety.c_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:59:01" (1/1) ... [2019-08-05 10:59:01,130 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ArraysOfVariableLength2_true-valid-memsafety.c_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:59:01" (1/1) ... [2019-08-05 10:59:01,132 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ArraysOfVariableLength2_true-valid-memsafety.c_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:59:01" (1/1) ... [2019-08-05 10:59:01,144 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ArraysOfVariableLength2_true-valid-memsafety.c_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:59:01" (1/1) ... [2019-08-05 10:59:01,146 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ArraysOfVariableLength2_true-valid-memsafety.c_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:59:01" (1/1) ... [2019-08-05 10:59:01,148 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ArraysOfVariableLength2_true-valid-memsafety.c_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:59:01" (1/1) ... [2019-08-05 10:59:01,154 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 10:59:01,155 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 10:59:01,155 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 10:59:01,155 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 10:59:01,156 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ArraysOfVariableLength2_true-valid-memsafety.c_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:59:01" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-08-05 10:59:01,226 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-05 10:59:01,227 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 10:59:01,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 10:59:01,533 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 10:59:01,533 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 10:59:01,535 INFO L202 PluginConnector]: Adding new model ArraysOfVariableLength2_true-valid-memsafety.c_8.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 10:59:01 BoogieIcfgContainer [2019-08-05 10:59:01,535 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 10:59:01,537 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-08-05 10:59:01,537 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-08-05 10:59:01,540 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-08-05 10:59:01,541 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ArraysOfVariableLength2_true-valid-memsafety.c_8.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:59:01" (1/2) ... [2019-08-05 10:59:01,542 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@588c91c6 and model type ArraysOfVariableLength2_true-valid-memsafety.c_8.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.08 10:59:01, skipping insertion in model container [2019-08-05 10:59:01,542 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ArraysOfVariableLength2_true-valid-memsafety.c_8.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 10:59:01" (2/2) ... [2019-08-05 10:59:01,544 INFO L109 eAbstractionObserver]: Analyzing ICFG ArraysOfVariableLength2_true-valid-memsafety.c_8.bpl [2019-08-05 10:59:01,555 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-08-05 10:59:01,570 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-08-05 10:59:01,597 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-08-05 10:59:01,637 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-08-05 10:59:01,640 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-08-05 10:59:01,640 INFO L378 AbstractCegarLoop]: Hoare is false [2019-08-05 10:59:01,640 INFO L379 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-08-05 10:59:01,641 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-08-05 10:59:01,641 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-08-05 10:59:01,641 INFO L382 AbstractCegarLoop]: Difference is false [2019-08-05 10:59:01,641 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-08-05 10:59:01,641 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-08-05 10:59:01,656 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states. [2019-08-05 10:59:01,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-08-05 10:59:01,665 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:59:01,666 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-08-05 10:59:01,668 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:59:01,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:59:01,674 INFO L82 PathProgramCache]: Analyzing trace with hash 29955, now seen corresponding path program 1 times [2019-08-05 10:59:01,722 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:59:01,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:59:01,772 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 2 conjunts are in the unsatisfiable core [2019-08-05 10:59:01,777 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:59:01,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:59:01,828 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-08-05 10:59:01,828 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-08-05 10:59:01,833 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-08-05 10:59:01,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-08-05 10:59:01,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-08-05 10:59:01,852 INFO L87 Difference]: Start difference. First operand 5 states. Second operand 3 states. [2019-08-05 10:59:01,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:59:01,882 INFO L93 Difference]: Finished difference Result 5 states and 5 transitions. [2019-08-05 10:59:01,882 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-08-05 10:59:01,884 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2019-08-05 10:59:01,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:59:01,899 INFO L225 Difference]: With dead ends: 5 [2019-08-05 10:59:01,899 INFO L226 Difference]: Without dead ends: 5 [2019-08-05 10:59:01,901 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-08-05 10:59:01,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5 states. [2019-08-05 10:59:01,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5 to 5. [2019-08-05 10:59:01,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-08-05 10:59:01,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2019-08-05 10:59:01,943 INFO L78 Accepts]: Start accepts. Automaton has 5 states and 5 transitions. Word has length 3 [2019-08-05 10:59:01,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:59:01,943 INFO L475 AbstractCegarLoop]: Abstraction has 5 states and 5 transitions. [2019-08-05 10:59:01,944 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-08-05 10:59:01,944 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2019-08-05 10:59:01,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-08-05 10:59:01,945 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:59:01,945 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-08-05 10:59:01,945 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:59:01,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:59:01,946 INFO L82 PathProgramCache]: Analyzing trace with hash 930412, now seen corresponding path program 1 times [2019-08-05 10:59:01,947 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:59:02,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:59:02,038 INFO L256 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 3 conjunts are in the unsatisfiable core [2019-08-05 10:59:02,039 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:59:02,079 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:59:02,079 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:59:02,080 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2019-08-05 10:59:02,081 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-08-05 10:59:02,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-08-05 10:59:02,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-08-05 10:59:02,082 INFO L87 Difference]: Start difference. First operand 5 states and 5 transitions. Second operand 4 states. [2019-08-05 10:59:02,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:59:02,136 INFO L93 Difference]: Finished difference Result 3 states and 3 transitions. [2019-08-05 10:59:02,139 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-08-05 10:59:02,140 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2019-08-05 10:59:02,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:59:02,140 INFO L225 Difference]: With dead ends: 3 [2019-08-05 10:59:02,140 INFO L226 Difference]: Without dead ends: 0 [2019-08-05 10:59:02,142 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-08-05 10:59:02,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-08-05 10:59:02,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-08-05 10:59:02,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-08-05 10:59:02,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-08-05 10:59:02,144 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2019-08-05 10:59:02,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:59:02,145 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-08-05 10:59:02,145 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-08-05 10:59:02,145 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-08-05 10:59:02,145 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-08-05 10:59:02,151 INFO L202 PluginConnector]: Adding new model ArraysOfVariableLength2_true-valid-memsafety.c_8.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.08 10:59:02 BoogieIcfgContainer [2019-08-05 10:59:02,151 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-08-05 10:59:02,154 INFO L168 Benchmark]: Toolchain (without parser) took 1085.70 ms. Allocated memory is still 133.2 MB. Free memory was 110.3 MB in the beginning and 68.8 MB in the end (delta: 41.5 MB). Peak memory consumption was 41.5 MB. Max. memory is 7.1 GB. [2019-08-05 10:59:02,155 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.28 ms. Allocated memory is still 133.2 MB. Free memory is still 111.5 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 10:59:02,156 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.58 ms. Allocated memory is still 133.2 MB. Free memory was 110.3 MB in the beginning and 108.6 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-08-05 10:59:02,157 INFO L168 Benchmark]: Boogie Preprocessor took 38.68 ms. Allocated memory is still 133.2 MB. Free memory was 108.2 MB in the beginning and 107.3 MB in the end (delta: 900.1 kB). Peak memory consumption was 900.1 kB. Max. memory is 7.1 GB. [2019-08-05 10:59:02,158 INFO L168 Benchmark]: RCFGBuilder took 380.67 ms. Allocated memory is still 133.2 MB. Free memory was 106.9 MB in the beginning and 94.0 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 7.1 GB. [2019-08-05 10:59:02,159 INFO L168 Benchmark]: TraceAbstraction took 613.84 ms. Allocated memory is still 133.2 MB. Free memory was 93.6 MB in the beginning and 68.8 MB in the end (delta: 24.8 MB). Peak memory consumption was 24.8 MB. Max. memory is 7.1 GB. [2019-08-05 10:59:02,163 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.28 ms. Allocated memory is still 133.2 MB. Free memory is still 111.5 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 47.58 ms. Allocated memory is still 133.2 MB. Free memory was 110.3 MB in the beginning and 108.6 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 38.68 ms. Allocated memory is still 133.2 MB. Free memory was 108.2 MB in the beginning and 107.3 MB in the end (delta: 900.1 kB). Peak memory consumption was 900.1 kB. Max. memory is 7.1 GB. * RCFGBuilder took 380.67 ms. Allocated memory is still 133.2 MB. Free memory was 106.9 MB in the beginning and 94.0 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 613.84 ms. Allocated memory is still 133.2 MB. Free memory was 93.6 MB in the beginning and 68.8 MB in the end (delta: 24.8 MB). Peak memory consumption was 24.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 152]: assertion always holds For all program executions holds that assertion always holds at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 5 locations, 1 error locations. SAFE Result, 0.5s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4 SDtfs, 1 SDslu, 0 SDs, 0 SdLazy, 4 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 29 SizeOfPredicates, 0 NumberOfNonLiveVariables, 149 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 0/1 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...